mysql-management

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How to backup and restore mysql database in rails 3

Is it possible to do the following: 1. Hot database backup of mysql database from Rails 3 application[详细]

2023-04-11 17:31 分类：问答
Renaming a django model class-name and corresponding foreign keys with south, without loosing the data

Following is my model: class myUser_Group(models.Model): name = models.CharField(max_length=100) class Channel(models.Model):[详细]

2023-04-06 16:37 分类：问答
errors with mysqli and its inheritance

Well I tried to extend the class mysqli with its inheritance called Database, which can retrieve database info easily(in one line if done correctly). It does not work out so far, as I am getting the f[详细]

2023-04-06 00:52 分类：问答
Can you apply LIMIT on MySQL before LEFT JOIN another?

For example: SELECT * FROM table_1 LIMIT 5 LEFT JOIN table_2 AS table_1.id = table_2.id WHERE 1 Otherwise the engine takes all of table_1 b开发者_如何学JAVAefore applying the join, then limiting[详细]

2023-04-05 02:54 分类：问答
Configuring MySQL server to avoid "MySQL Server has gone away" error

When I tried to establish a MySQL database using a dump, I got the following error message ERROR 2006 (HY000) at line 312: MySQL server has gone away[详细]

2023-04-04 23:18 分类：问答
Where can I find the file my.cnf or my.ini file? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-04-04 06:04 分类：问答
MySQL - Should I use multi-column primary keys on every child table?

Setup: I was trying to understand the difference between identifying and non-identifying relationships when I found this great article on stackexchange. What's the difference between identifying[详细]

2023-04-04 03:13 分类：问答
MySQL and truncate

I just ran truncate statement on a table and committed. What options do I have to restore the table to the state pre truncate?[详细]

2023-04-03 11:46 分类：问答
Sales order item details storage, which way to go?

I\'m working on a type of inventory management application using the following mixture or technologies: MySql, C#, WPF, ADO.Net EntityFramework 4.[详细]

2023-04-03 04:34 分类：问答
How to delete all procedures of a database in mysql5

I want to delete all procedures from my MySQL database 开发者_开发百科sbnmaster. How should I write a query for this?Try this[详细]

2023-03-31 04:18 分类：问答